guide
person, who with knowledge or wisdom of the subject matter, escorts others, e.g., travelers or tourists through unknown or unfamiliar locations
mountain guide
mountaineering expert who guides travellers or other mountaineers on their path
greeter
volunteer who welcomes tourists in their city or region
tour guide
person who provides information and heritage interpretation to tourists
local expert
person with an intimate knowledge of a region
Queen's Guide to the Sands
Appointment as guide to Morecambe Bay, England